How severe is CVE-2026-76023?

CVE-2026-76023 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-76023 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (41st percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-76023?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2026-76023 published?

CVE-2026-76023 was published on 2026-08-20 and last updated on 2026-08-22.

CVE-2026-76023

CVE-2026-76023 is a high-severity vulnerability with a CVSS 3.x base score of 8.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-913.

Key facts

Severity: High (CVSS 3.x base score 8.8)
EPSS exploit prediction: 0% (41st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-913
Published: 2026-08-20
Last modified: 2026-08-22

Description

Improper resource control in Linux Toolkit Theming in Google Chrome prior to 151.0.7922.173 allowed a remote attacker who had compromised the renderer process to execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: High)

Frequently asked questions

What is CVE-2026-76023?: Improper resource control in Linux Toolkit Theming in Google Chrome prior to 151.0.7922.173 allowed a remote attacker who had compromised the renderer process to execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: High)
How severe is CVE-2026-76023?: CVE-2026-76023 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-76023 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (41st percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-76023?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2026-76023 published?: CVE-2026-76023 was published on 2026-08-20 and last updated on 2026-08-22.

References

Other CWE-913 vulnerabilities

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CVE-2022-36067 — Critical (CVSS 10.0): vm2 is a sandbox that can run untrusted code with whitelisted Node's built-in modules. In versions prior to version…
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